rk8xx.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2021 Emmanuel Vadot <manu@FreeBSD.org>
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  */
   27 
   28 #ifndef _RK8XX_H_
   29 #define _RK8XX_H_
   30 
   31 #include <sys/kernel.h>
   32 
   33 #include <dev/ofw/ofw_bus.h>
   34 #include <dev/ofw/ofw_bus_subr.h>
   35 
   36 enum rk_pmic_type {
   37         RK805 = 1,
   38         RK808,
   39         RK809,
   40         RK817,
   41 };
   42 
   43 struct rk8xx_regdef {
   44         intptr_t                id;
   45         char                    *name;
   46         uint8_t                 enable_reg;
   47         uint8_t                 enable_mask;
   48         uint8_t                 voltage_reg;
   49         uint8_t                 voltage_mask;
   50         int                     voltage_min;
   51         int                     voltage_max;
   52         int                     voltage_min2;
   53         int                     voltage_max2;
   54         int                     voltage_step;
   55         int                     voltage_step2;
   56         int                     voltage_nstep;
   57 };
   58 
   59 struct rk8xx_reg_sc {
   60         struct regnode          *regnode;
   61         device_t                base_dev;
   62         struct rk8xx_regdef     *def;
   63         phandle_t               xref;
   64         struct regnode_std_param *param;
   65 };
   66 
   67 struct reg_list {
   68         TAILQ_ENTRY(reg_list)   next;
   69         struct rk8xx_reg_sc     *reg;
   70 };
   71 
   72 struct rk8xx_rtc_reg {
   73         uint8_t secs;
   74         uint8_t secs_mask;
   75         uint8_t minutes;
   76         uint8_t minutes_mask;
   77         uint8_t hours;
   78         uint8_t hours_mask;
   79         uint8_t days;
   80         uint8_t days_mask;
   81         uint8_t months;
   82         uint8_t months_mask;
   83         uint8_t years;
   84         uint8_t weeks;
   85         uint8_t weeks_mask;
   86         uint8_t ctrl;
   87         uint8_t ctrl_stop_mask;
   88         uint8_t ctrl_ampm_mask;
   89         uint8_t ctrl_gettime_mask;
   90         uint8_t ctrl_readsel_mask;
   91 };
   92 
   93 struct rk8xx_dev_ctrl {
   94         uint8_t dev_ctrl_reg;
   95         uint8_t pwr_off_mask;
   96         uint8_t pwr_rst_mask;
   97 };
   98 
   99 struct rk8xx_softc {
  100         device_t                dev;
  101         struct mtx              mtx;
  102         struct resource *       res[1];
  103         void *                  intrcookie;
  104         struct intr_config_hook intr_hook;
  105         enum rk_pmic_type       type;
  106 
  107         struct rk8xx_regdef     *regdefs;
  108         TAILQ_HEAD(, reg_list)  regs;
  109         int                     nregs;
  110 
  111         struct rk8xx_rtc_reg    rtc_regs;
  112         struct rk8xx_dev_ctrl   dev_ctrl;
  113 };
  114 
  115 int rk8xx_read(device_t dev, uint8_t reg, uint8_t *data, uint8_t size);
  116 int rk8xx_write(device_t dev, uint8_t reg, uint8_t *data, uint8_t size);
  117 
  118 DECLARE_CLASS(rk8xx_driver);
  119 
  120 int rk8xx_attach(struct rk8xx_softc *sc);
  121 
  122 /* rk8xx_clocks.c */
  123 int rk8xx_attach_clocks(struct rk8xx_softc *sc);
  124 
  125 /* rk8xx_regulators.c */
  126 void rk8xx_attach_regulators(struct rk8xx_softc *sc);
  127 int rk8xx_map(device_t dev, phandle_t xref, int ncells,
  128     pcell_t *cells, intptr_t *id);
  129 
  130 /* rk8xx_rtc.c */
  131 int rk8xx_gettime(device_t dev, struct timespec *ts);
  132 int rk8xx_settime(device_t dev, struct timespec *ts);
  133 
  134 #endif  /* _RK8XX_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/iicbus/pmic/rockchip/rk8xx.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/iicbus/pmic/rockchip/rk8xx.h